Which of the following can be accurately said about climax communities?

a. restoration of the original climax community is always achieved at the same rate.
b. climax communities are always stable.
c. climax communities are always uniform.
d. restoration of the original climax community may not always happen.

The climax community can be defined as the community which is stable and has reached the stage from where no further succession occurs. The community of animals, plants and fungi which by the process of ecological succession in an vegetative area have reached a state which is stable over time, is known as the climax community. It is difficult to restore the original climax community, and the process may not always happen.

Hence, the correct answer is 'Option D'.

cell regulation is conducted by special proteins.

what statement best describes the difference between the sympathetic and parasympathetic nervous systems?

the sympathetic nervous system prepares the body for intense physical activity and is often referred to as the fight-or-flight response. the parasympathetic nervous system has almost the exact opposite effect and relaxes the body and inhibits or slows many high energy functions.